Set Account Expiration Date: If the value is a valid date, the system will not allow the user to log in to the system after the date specified. The login attempt will return an error code indicating the user account is expired. If the column is specified as "NULL", then the system assumes there is no expiration policy.
Password Expiration Date: If the value is a valid date, then the system will determine whether or the user needs to change their password. The evaluation will be based on the date entered and the interval value (denoted in days).
XBoost keeps a list of the last seven passwords the user has used. If an administrator wants to clear the list – he/she puts a checks the checkbox.